Our compatible toner cartridges have been manufactured in compliance with the highest performance standards (ISO 9001, RoHS, ISO 14001 and TÜVRheinland). This cartridge is very easy to set up. But in case you are not going to use it right away, it can be stored for up to 36 months at a room temperature between 0 and 100°F, ideally in a low humidity environment. The Ricoh Aficio MP C2050 Cyan Toner Cartridge is covered by a 1 year warranty against defects, 30 days unconditional money back guarantee and free no hassle returns. For more information check our warranty and returns policy.